false (A chimpanzee, for example, may have two arms, but it is not a human being.) false (A war veteran may have lost both his arms, but he is a human being even so.) false (A person may want to win a ...

For the answers, click on "Answers" at the bottom of this page (after question #22). x's being a square is a sufficient condition for x's being a rectangle. x's being a square is a necessary condition ...

In many optimal control problems in economics, the planning horizon is assumed to be of infinite length. This means that the person who solves such an optimal control problem is choosing the time path ...